// -*- C++ -*-
// $Id$
#include "LF_Event.h"
#include "LF_Follower.h"
#include "Leader_Follower.h"

#if !defined (__ACE_INLINE__)
# include "tao/LF_Event.inl"
#endif /* __ACE_INLINE__ */

ACE_RCSID (tao, 
           LF_Event, 
           "$Id$")

TAO_LF_Event::TAO_LF_Event (void)
  : state_ (TAO_LF_Event::LFS_IDLE)
  , follower_ (0)
{
}

TAO_LF_Event::~TAO_LF_Event (void)
{
}

void
TAO_LF_Event::state_changed (int new_state)
{
  if (this->follower_ == 0)
    {
      this->state_changed_i (new_state);
    }
  else
    {
      TAO_Leader_Follower &leader_follower =
        this->follower_->leader_follower ();

      ACE_GUARD (TAO_SYNCH_MUTEX, ace_mon, leader_follower.lock ());

      if (this->is_state_final () == 0)
        {
          this->state_changed_i (new_state);

          /// Sort of double-checked optimization..
          if (this->follower_ != 0)
            this->follower_->signal ();
        }
    }
}


void
TAO_LF_Event::set_state (int new_state)
{
  this->state_ = new_state;
}